Nutrition

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Prairie Swine Centre is grateful for the assistance of the George Morris Centre in developing the economics portion of Pork Insight.

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Author(s): P.H. Luimes
Publication Date: March 27, 2014
Reference: London Swine Conference, 2014
Country: Canada

Summary:

The reproductive performance of a sow can be affected by the feed intake of her previous lactation, which can be affected by the gestation feed intake. Lactation feed intake can be influenced by many factors including litter size, lactation length, parity, environment, feed allowance, water intake, stockmanship, and comfort. Some of the feeding strategies that exist include slowly increasing feed to a target, feeding ad libitum the entire lactation length, and self-feeding through triggering feed release. Little data exists to support one method over the others. A trial was run to try to identify the best gestation and lactation feeding strategy. The gestation diet was fed either based on BCS (conventional) or weight and backfat thickness (Kansas). Lactation feeding was ad libitum after day 3 (conventional), increasing to ad libitum over 13 days (ramp), or self-feeding (ad libitum). So far, partial data collection has been conducted, but it has not yet been analyzed. Since only preliminary data is available, no conclusions can be drawn. However, the data suggests the ramp lactation feeding may result in the highest feed intake, lowest weight loss, and highest weaning weights.

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